The study aimed to find the best fertilizer amounts for growing corn in Changwu County. Researchers conducted a fertilizer experiment to see how nitrogen, phosphorus, and potassium affected corn yield. They found that using specific amounts of N, P2O5, and K2O increased maize yield and economic benefits. For a yield of 9,000 kg/ha, the recommended fertilizer amounts were 126 kg of N, 57 kg of P2O5, and 30 kg of K2O per hectare. For higher yields, the recommended amounts varied. In conclusion, using the right combination of N, P, and K fertilizers can boost corn yield and profits.